Use pkgutil in case of any error with pkg_resources (PY-29671)

Problems with `pkg_resources` module shouldn't break working with extensions in debugger.

python/helpers/pydev/_pydevd_bundle/pydevd_extension_utils.py

@@ -1,11 +1,9 @@
 import pkgutil
 import sys
-import traceback
 from _pydev_bundle import pydev_log
 try:
     import pydevd_plugins.extensions as extensions
 except:
-    traceback.print_exc()
     extensions = None
 
 

python/helpers/pydev/pydevd_plugins/__init__.py

@@ -1,5 +1,5 @@
 try:
     __import__('pkg_resources').declare_namespace(__name__)
-except ImportError:
+except:
     import pkgutil
     __path__ = pkgutil.extend_path(__path__, __name__)

python/helpers/pydev/pydevd_plugins/extensions/__init__.py

@@ -1,5 +1,5 @@
 try:
     __import__('pkg_resources').declare_namespace(__name__)
-except ImportError:
+except:
     import pkgutil
     __path__ = pkgutil.extend_path(__path__, __name__)

python/helpers/pydev/pydevd_plugins/extensions/types/__init__.py

@@ -1,5 +1,5 @@
 try:
     __import__('pkg_resources').declare_namespace(__name__)
-except ImportError:
+except:
     import pkgutil
     __path__ = pkgutil.extend_path(__path__, __name__)

python/helpers/pydev/tests_pydevd_python/my_extensions/pydevd_plugins/__init__.py

@@ -1,5 +1,5 @@
 try:
     __import__('pkg_resources').declare_namespace(__name__)
-except ImportError:
+except:
     import pkgutil
     __path__ = pkgutil.extend_path(__path__, __name__)

python/helpers/pydev/tests_pydevd_python/my_extensions/pydevd_plugins/extensions/__init__.py

@@ -1,5 +1,5 @@
 try:
     __import__('pkg_resources').declare_namespace(__name__)
-except ImportError:
+except:
     import pkgutil
     __path__ = pkgutil.extend_path(__path__, __name__)